One of the most important pieces in the arsenal of the German
Artillery, was the 150mm Heavy Howitzers. At the start of the war, most of them was of the type called sFH 02 (i.e.
Schweres FeldHaubitze model 1902). This piece was upgraded in several
stages. In 1913, a new model was introduced, the sFH 13, that had a modified carriage and lavette,
a shield and a longer barrel (L/14). This new gun fired some 1000 meters longer than the old model 02.
The first battery that was equipped with the sFH13 got their guns in August
1914. Until May 1915, 252 sFH 13 were delivered by Krupp.
One of the problems with the first version,
was that the recoil mechanism tended to break: the reason was that the spring
mechanism was too weak, and it was therefore replaced with a mechanism based on
air pressure. It increased the weight somewhat, but there were no visible
changes. This, the first variant, with its short barrel, was eventually
superceded by a second variant with a longer barrel, a L/17.
Click here
to find out more on this variant.

And click on the photos below, to get a real detail view
of a surviving sfH13, that is on display at the Military Cemetary in Pavé in
Verdun, a town that needs no further presentation in this context - the hills in
the background are actually the Battlefield of 1916, most of it overgrown by
woods, but still bearing the horrible scars of the fighting.
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It was a very important gun, as it combined
mobility and firepower in a very balanced way. The German High Command also
stated in November 1917 that "in this war, the sFH13 has become the
principal gun of battle" (Hauptkampgeschütz).
How to
model this gun
Fine Scale Factory produce a kit of the
later, L/17 variant. This could pretty easily be converted into this, earlier
variant. Click here to read a review.